11513774432631 has 8 divisors (see below), whose sum is σ = 15449480767984. Its totient is φ = 7626958859520.

The previous prime is 11513774432557. The next prime is 11513774432647. The reversal of 11513774432631 is 13623447731511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11513774432631 - 2¹¹ = 11513774430583 is a prime.

It is a super-2 number, since 2×11513774432631² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513774432681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12222690010 + ... + 12222690951.

It is an arithmetic number, because the mean of its divisors is an integer number (1931185095998).

Almost surely, 2^{11513774432631} is an apocalyptic number.

11513774432631 is a deficient number, since it is larger than the sum of its proper divisors (3935706335353).

11513774432631 is a wasteful number, since it uses less digits than its factorization.

11513774432631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24445381121.

The product of its digits is 1270080, while the sum is 48.

The spelling of 11513774432631 in words is "eleven trillion, five hundred thirteen billion, seven hundred seventy-four million, four hundred thirty-two thousand, six hundred thirty-one".